CVE-2026-22184
zlib versions up to and including 1.3.1.2 include a global buffer overflow in the untgz utility located under contrib/untgz. The vulnerability is limited to the standalone demonstration utility and does not affect the core zlib compression library. The flaw occurs when a user executes the untgz command with an excessively long archive name supplied via the command line, leading to an out-of-bounds write in a fixed-size global buffer.
- Affected products
- Zlib
- Zlib
- ≤ 1.3.1.2
- Fix
- Available
- CVSS 3.1
- 8.6 HIGH
- EPSS
- 0.4% (31th percentile)
- Weakness
- CWE-787, CWE-120
- NVD status
- Modified
- Published
- 2026-01-07
CVE-2026-22184 at NVD
No indexed exploits for CVE-2026-22184 yet
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No exploit for CVE-2026-22184 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.